001/* ===========================================================
002 * JFreeChart : a free chart library for the Java(tm) platform
003 * ===========================================================
004 *
005 * (C) Copyright 2000-present, by David Gilbert and Contributors.
006 *
007 * Project Info:  http://www.jfree.org/jfreechart/index.html
008 *
009 * This library is free software; you can redistribute it and/or modify it
010 * under the terms of the GNU Lesser General Public License as published by
011 * the Free Software Foundation; either version 2.1 of the License, or
012 * (at your option) any later version.
013 *
014 * This library is distributed in the hope that it will be useful, but
015 * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
016 * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
017 * License for more details.
018 *
019 * You should have received a copy of the GNU Lesser General Public
020 * License along with this library; if not, write to the Free Software
021 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301,
022 * USA.
023 *
024 * [Oracle and Java are registered trademarks of Oracle and/or its affiliates. 
025 * Other names may be trademarks of their respective owners.]
026 *
027 * --------------------
028 * AxisChangeEvent.java
029 * --------------------
030 * (C) Copyright 2000-present, by David Gilbert.
031 *
032 * Original Author:  David Gilbert;
033 * Contributor(s):   -;
034 *
035 */
036
037package org.jfree.chart.event;
038
039import java.util.EventListener;
040
041/**
042 * The interface that must be supported by classes that wish to receive
043 * notification of changes to an axis.
044 * <P>
045 * The Plot class implements this interface, and automatically registers with
046 * its axes (if any). Any axis changes are passed on by the plot as a plot
047 * change event.  This is part of the notification mechanism that ensures that
048 * charts are redrawn whenever changes are made to any chart component.
049 *
050 */
051public interface AxisChangeListener extends EventListener {
052
053    /**
054     * Receives notification of an axis change event.
055     *
056     * @param event  the event.
057     */
058    void axisChanged(AxisChangeEvent event);
059
060}